British and Irish History: Biographies
- Jonathan Wild
- Joseph Chamberlain
- Joseph Hume
- Josephine Elizabeth Butler
- Joshua Nkomo
- Julian of Norwich
- Junius
- Kenelm Sir Digby
- Kenneth II
- King of Kent Hengist
- Klaus Fuchs
- Lady Godiva
- Lady Jane Grey
- Lakshmi Bai
- Lambert Simnel
- Lancelot Brown
- Lawrence Edward Grace Oates
- Leonard James Callaghan Baron Callaghan of Cardiff
- Liam Cosgrave
- Llewelyn